High-temperature deformation of MnO

Goretta, K. C.; Routbort, J.L.

doi:10.1016/0001-6160(87)90052-6

Cited by 13 publications

(5 citation statements)

References 44 publications

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“…This is about a factor of two higher than the CRSS extrapolated to 0 K, but should be considered to be in satisfactory agreement in terms of the computing techniques of the time. 9.4.1.2 Transition Metal Oxides and the Effect of Stoichiometry Plastic deformation of single crystals of the transition metal oxides M 1-x O with the rock-salt structure has been studied for M ¼ Mn [43], Fe [44], Co [45][46][47][48], and Ni [49,50]. The maximum value of x varies from 0.001 for Ni and 0.013 for Co to 0.15 for Fe and Mn.…”

Section: Dislocations In Particular Oxidesmentioning

confidence: 99%

“…It is a different story at high temperatures, where there have been a number of studies of the influence of stoichiometry on the creep rate [43-45, 47, 49] or the flow stress [43,47]. Typically, for a given applied stress, the creep rate increases with increasing p O2 , that is, as the crystals become more stoichiometric (i.e., as x decreases).…”

Section: Dislocations In Particular Oxidesmentioning

confidence: 99%

“…The constant strain-rate compression tests performed by Routbort [47] on Co 1Àx O and by Goretta and Routbort [43] on Mn 1-x O single crystals, provide different insights into the deformation mechanisms. In both cases, yield points are observed followed by steady-state flow.…”

Section: Neutral Oxygen Vacancymentioning

confidence: 99%

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Dislocations in Ceramics

Mitchell¹

2010

Ceramics Science and Technology

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Section: Dislocations In Particular Oxidesmentioning

confidence: 99%

Section: Dislocations In Particular Oxidesmentioning

confidence: 99%

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Dislocations in Ceramics

Mitchell¹

2010

Ceramics Science and Technology

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“…7'19 However, for CoO, FeO, MnO and NiO, the cation defects dominate and the minority defects, of either oxygen vacancies or interstitials, control the creep rates. 11,12,14,19,[21][22][23] It can be presumed by analogy that oxygen defects move more slowly than cation defects in CuO and, therefore, control creep; oxygen ions are larger than copper ions. 15…”

Section: Dicussionmentioning

confidence: 99%

Deformation of Nonstoichiometric CuO Polycrystals

Boling-Risser

Goretta

Routbort

1995

Plastic Deformation of Ceramics

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This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process,or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.

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“…The steady-state deformation of Mnl.xO single crystals has been investigated over a wide range of T and Po_ [10,13,14] The activation energies for tracer diffusion of O along the c-axis, and for Ag in polycrystalline material, the only other cation measured, are 212 and 181 kJ/mole, respectively. It has been postulated that Ca is the rate--controlling species [23].…”

Section: Mnlxomentioning

confidence: 99%

High-Temperature Deformation and Diffusion in Oxides

Routbort

1993

DDF

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This report was prepared as an account of work sponsored by an agency of the United States ,.-(Government. Neither the United States Goverr_mcnt nor any agency thereof, nor any of their .... employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or ttsefuln, ess of any information, apparatus, product, or process disclosed, or represents that its u_e would not infringe privately owned rights. Refercnce, herein to any specific commercial product, prcf.ess, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United State_ Government or any age.hey thereof, The vi,cws and opinio,ns of a_=thors expressed heroin do not necessarily state or reflect those of the Unit_ Ststes Government or any age;heythereof.

show abstract

High-temperature deformation of MnO

Cited by 13 publications

References 44 publications

Dislocations in Ceramics

Dislocations in Ceramics

Deformation of Nonstoichiometric CuO Polycrystals

High-Temperature Deformation and Diffusion in Oxides

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